Title. How do you decide that you’re out of the seedling stage and into veg? I’m sure everyone has different answers, and I’m eager to hear them, because I don’t have an answer myself. 
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First “true set” of leaves, first day above ground, when it reaches the edge of a solo cup…
Everyone’s gonna say something different.
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That’s the idea. 
I’d like to see what everyone has to say, and what their reasoning is.
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Three nodes sounds pretty good to me. I’ve also heard veg starts when the first set of 5-pointed leaves pops out. 
Another related question, which is more of an actual question where I’m looking for a definitive answer: when should I start nutes? I grow organic, so nutes naturally start when the first transplant happens, but how do you decide when to do that?
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This, I might actually be able to help with.
If it’s growing organic, what type of amendments do you use?
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Dr. Earth, the green one for vegetables.
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What soil are you using? It will likely carry you for a at least a little while.
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I make my own blend, no added nutrients. 1:1:2 ratio of perlite:compost/castings:peat.
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Ah, yeah, you’ll def need some nutes. Id def have to defer to others on that then. I cant speak to organics.
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Seven sets of pointed leaves is the standard i believe.
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Gotcha. I see soil in your thread; are you using salt nutes in soil?
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I’ve seen that as well. So I guess that would be 7 nodes.
I did soil last run. Im running coco/perlite this one. Yeah, I use salts (GH Maxi grow and Maxi bloom).
I started my last soil run with Masterblend, its basically like Jacks 321, but was having probs with it, so switched to the GH and plants were much happier.
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Can you speak on what type problems. I use the MB 4-18-38 and epsom and castings some times. Im not using the cal-nit and sometimes get some wonky lowers because of that i think.
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I was getting purple woody stems, and leaves were having probs.
Im not even sure if MB was the problem, could’ve be user error in my part, but as soon as I switched, they turned around. I was following recipe, even weighing it. IDK. Here are pics of what it doing. They got worse than pics show, but it basic idea of what they were doing.
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That looks just like what happens to mine when I overwater. 
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I suspect mine was too much P or K, or some other micro nute, so I was getting lock out.
But not sure. Just know switching nutes cleared it up.
@Hashpants Yeah, Ive read of others having good grows not using the Cal/Nit too, so its possible that the C/N was causing the problem.
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@This1guy
Looks like a calcium deficiency to me.
They’re rust spots which i usually get through a calcium deficiency.
Dont forget to up you magnesium too if you hit them with calcium…as they should be in a ratio of 3:1 (cal/mag) to each other.
GH salts…could you do me a favor and read what’s in it as a source of N please? I get a feelings it’s urea. And i wouldn’t even like that on my lawns. Like that other cheap line greenplanet…stay away from it. It’s cheap rubbish
@Hashpants
Are you adding any calcium at all? If not I’d use a bit of that calnit together with magnesium, but row back on the castings for a while as it has quite a bit of N in it.
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Thanks, that’s the bloom…how about the grow. The Bloom sounds fine.
Very much what I use too…Just a sightly different mix ratio
I suspected the urea in the growth part.
Like I said I might be remembering it wrong.
Greenplanet certainly has it in theirs. Stay away from that stuff
I might try the GH myself if you could take a pic of the other bag for us